CVE-2004-0626 Information

Description

The tcp_find_option function of the netfilter subsystem in Linux kernel 2.6 when using iptables and TCP options rules allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a large option length that produces a negative integer after a casting operation to the char type.

Reference

http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000852 http://lwn.net/Articles/91964/ http://marc.info/?l=bugtraq&m=108861141304495&w=2 http://www.gentoo.org/security/en/glsa/glsa-200407-12.xml http://www.novell.com/linux/security/advisories/2004_20_kernel.html https://exchange.xforce.ibmcloud.com/vulnerabilities/16554